int fil, col;
int i, j, k, nroLineas;

nroLineas = round( random(50,100) );
fil = round( random(0,width) );
col = round( random(0,height) );

for( i = 0; i<=nroLineas; i++ ){
  j = round( random(0,width) );
  k = round( random(0,height) );
  line( j, k , fil , col );
}
